Use the arc length formula and the given information to find the indicated quantity.s = 8.1 ft, ? = 
rad; find r
A. 
ft
B. 
ft
C. 48.6? ft
D. 24.3? ft
Answer: B
Mathematics
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Solve the problem.The formula for the perimeter of a rectangle is P = 2L + 2W. Solve for L.
A. L = 
B. L = 
C. L = d - 2W
D. L = P - W
Mathematics
Combine like terms.6x + 5x
A. 11x B. 22x C. 30x D. 11x2
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. (0, 15)
B. 
C. 
D. none
Mathematics
Solve the problem.The minute hand of a clock is 7 inches long. How far does the tip of the minute hand move in 45 minutes? If necessary, round the answer to two decimal places.
A. 32.99 in. B. 31.25 in. C. 35.5 in. D. 34.22 in.
Mathematics